powerpc/ps3: replace open-coded sysfs_emit function

sysfs_emit() helper function should be used when formatting the value
to be returned to user space.

This patch replaces open-coded sysfs_emit() in sysfs .show() callbacks

Link: https://github.com/KSPP/linux/issues/105
Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/ZxMV3YvSulJFZ8rk@mail.google.com

diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index b9a7d9bae687e84920cb1dbde72404aa079394e1..afbaabf182d013e7f4d535dacc68db313c202e9e 100644 (file)
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -453,10 +453,9 @@ static ssize_t modalias_show(struct device *_dev, struct device_attribute *a,
        char *buf)
 {
        struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
-       int len = snprintf(buf, PAGE_SIZE, "ps3:%d:%d\n", dev->match_id,
-                          dev->match_sub_id);
 
-       return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+       return sysfs_emit(buf, "ps3:%d:%d\n", dev->match_id,
+                         dev->match_sub_id);
 }
 static DEVICE_ATTR_RO(modalias);